191900907

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5821}}^1$

素因数の和:5881

約数の個数: 40

約数和(自身を含む): 321234672

約数和(自身を除く): 129333765

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 891, 999, 1221, 2997, 3663, 5821, 10989, 17463, 32967, 52389, 64031, 157167, 192093, 215377, 471501, 576279, 646131, 1728837, 1938393, 2369147, 5186511, 5815179, 7107441, 17445537, 21322323, 63966969, 191900907]

約数ペア:

[(1, 191900907), (3, 63966969), (9, 21322323), (11, 17445537), (27, 7107441), (33, 5815179), (37, 5186511), (81, 2369147), (99, 1938393), (111, 1728837), (297, 646131), (333, 576279), (407, 471501), (891, 215377), (999, 192093), (1221, 157167), (2997, 64031), (3663, 52389), (5821, 32967), (10989, 17463)]